Buffer
You can use this app to schedule your social media posts and it will post for you.

Coffitivity
Do you like working while sitting in Starbucks? Is the ambiance of a coffee shop your sweet spot for productivity? Can't always make it there? Bring the background noise to your office with this app.

Do Nothing for 2 Minutes
Need to unwind or gather your thoughts after a tough meeting or hours of intense work? This app will help you unwind. Sit back and relax...and if you touch your computer before the 2 minutes is up, it will scold you.

Evernote
This simple note-taking app organizes your notes, allows you to
search for text within an image, captures everything from PDF to web
pages and even has a webclipper so you can save anything you see online
with a single click.